DysonHP09

Air purifier

DOE certified smoke CADR

30cfmDOE test

Dust 63 · PM2.5 46 cfm

Effective room size 47 sq ft (DOE)

DOE data as of 2026-11-03DOE record

Does it fit your room? How DOE sizes rooms

Dyson HP09: certified to DOE with smoke CADR 30 cfm, dust 63, PM2.5 46, effective room size 47 sq ft. DOE data as of 2026-11-03.

Every model number on this record

Filed with DOE under basic model HP09. A listing with any of these numbers is this unit.

Every model number filed under basic model HP09, DOE data as of 2026-11-03
Model numberFiled by
HP09 (DOE basic model)Dyson

How much does the Dyson HP09 cost to run?

About $2.35 a month, or $28.15 a year, on DOE's annual energy figure of 155 kWh.

Electricity at 18.16¢/kWh, the US residential average for August 2026 (EIA Electric Power Monthly, table 5.6.A). Each 1¢/kWh you pay above or below 18.16¢ moves the yearly figure by $1.55.

How does the Dyson HP09 rank in its DOE class?

In its DOE class (air purifiers, PM2.5 CADR 10 to 99 cfm), 42 models have a matched Amazon listing. 40 of them have a higher CADR/W than its 2, which is 40% below their median of 3.35.

DOE's annual energy figure for it is 155 kWh, against their median of 94.5 kWh: $10.99 a year more at the US average price.

Air purifiers (133 with a listing)

Among 90 air purifiers, PM2.5 CADR 10 to 99 cfm

Smoke CADR (cfm)30

Higher than 5 of 90. 1 other shares 30.

1993 cfm

Efficiency (CADR/W)2

Higher than 1 of 90. 8 others share 2.

1.914

Three to compare with

From models with a matched listing.

  • Within 20 cfm of its size, highest CADR/W

    alrocket DH-JH020US-A0040 smoke CADR

    Room size 62 sq ft, CADR/W 7.1: about 72% less power for the same clean air.

  • Nearest size in its class with a higher CADR/W

    AeroNova MK01A31 smoke CADR

    Room size 48 sq ft, CADR/W 5.4: about 63% less power for the same clean air.

  • Nearest bigger unit

    Pure Enrichment PEAIRPLG51 smoke CADR

    Room size 79 sq ft, CADR/W 2.9.

DOE record

Air cleaning

Smoke CADR
30 cfm
Dust CADR
63 cfm
PM2.5 CADR
46 cfm
Effective room size
47 sq ft
Efficiency (IEF)
2 cfm/W
Energy use
155 kWh/year

Record

DOE basic model
HP09
DOE class
10 <= PM2.5 Clean Air Delivery Rate < 100
Brands on the filings
1
In DOE's list since
2026-11-02first snapshot we hold

Questions

What room size is it for?
DOE lists an effective room size of 47 sq ft, based on its smoke CADR of 30 cfm: CADR and room size.
How much does the Dyson HP09 cost to run for a year?
About $28.15: DOE's annual figure of 155 kWh at 18.16¢/kWh, the US residential average for August 2026 (EIA).